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Oval|Lab Grown|IGI

5.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG605365538

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG605365538

Diamond specifications and retailer prices

From $858 USD
As of October 28, 2026
Save $8,342 USD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,200 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.5ct lab-grown oval diamond

This 5.5ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605365538 or 605365538. Listed at 17 retailers as of October 28, 2026, with prices from $858 to $9,200, a $8,342 spread on the same certified stone. Brilliant Earth lists it at $9,200. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605365538
Dimensions14.30 × 9.80 × 6.30 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.30 mm9.80 mm5.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605365538
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $9,980 USD|Low: $789 USD|High: $9,980 USD|Avg: $3,161 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 21$858 USD
Retailer 9$915 USD
Retailer 19$1,100 USD
Retailer 2$1,105 USD
Retailer 16$1,136 USD
Retailer 12$1,229 USD
Retailer 22$1,384 USD
Retailer 20$1,425 USD
Retailer 18$1,544 USD
Retailer 11$1,620 USD
Retailer 6$1,971 USD
Retailer 5$2,176 USD
Retailer 7$2,625 USD
Retailer 8$2,839 USD
Retailer 10$3,603 USD
Retailer 13$3,806 USD
Retailer 17$4,095 USD
Retailer 4$4,708 USD
Retailer 15$5,307 USD
Retailer 14$6,552 USD
Retailer 3$7,000 USD
Brilliant Earth$9,980 USD

9 data points across 22 retailers

17 retailers$858 USD to $9,200 USD

A
Cheapest Retailer
-
$858 USD
A
Retailer 2
-
$915 USD
View
A
Retailer 3
-
$1,100 USD
View
A
Retailer 4
-
$1,105 USD
View
A
Retailer 5
-
$1,136 USD
£895 GBP
View
A
Retailer 6
-
$1,384 USD
View
B+
Retailer 7
-
$1,425 USD
View
A
Retailer 8
-
$1,544 USD
£1,216 GBP
View
B+
Retailer 9
-
$1,971 USD
View
B+
Retailer 10
-
$2,176 USD
View
B
Retailer 11
-
$2,625 USD
View
B
Retailer 12
-
$2,839 USD
View
B
Retailer 13
-
$3,603 USD
View
B
Retailer 14
-
$3,806 USD
£2,997 GBP
View
B
Retailer 15
-
$4,708 USD
View
B
Retailer 16
-
$7,000 USD
View
Most Expensive
B
Brilliant Earth
22301309A · Oct 29
$9,200 USD
View
16 more retailers have this diamond
Prices start from $858 USDSave up to $8,342 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.50ct Oval
$858 USD